Turkey should exercise caution, writes Joshua Foust. Dragging NATO into a conflict with Syria might not safeguard Turkish interests, and a Turkish-Syrian war could have resounding regional implications.

Though it might seem counterintuitive, turkeys can be climate friendly, while spinach can be as harmful for the planet as beef. In our holiday Climate Desk podcast, we look at how our food choices affect climate change — and vice versa.

Israel is now the subject of lawsuits and political pressure. But what about the ‘hit list’ at the center of the controversy? Need to Know talked to an American flotilla passenger about the mysterious document.

Need to Know is a production of Creative News Group (CNG) in association with WNET. Marc Rosenwasser is Executive Producer. Need to Know is made possible by Bernard and Irene Schwartz, Mutual of America, Citi Foundation, John D. and Catherine T. MacArthur Foundation, Miriam and Ira D. Wallach Foundation, Margaret A. Cargill Foundation, The Corporation for Public Broadcasting and PBS.